Bottom boat hull



FIG. 1 is a rear and bottom perspective view of a boat bottom hullshowing my new design;

FIG. 2 is a side elevational view thereof, the opposite side elevationalview being a mirror image of that shown;

FIG. 3 is a front elevational view thereof; and

FIG. 4 is a rear elevational view thereof.

The ornamental design for a bottom boat hull, as shown and described.